Andersen window types differ in the way they open, the views they frame and the ventilation they provide. Casement windows open outward for a generous airflow opening; double-hung and gliding styles ventilate without a sash swinging outside; picture windows provide daylight and views but do not open. Bay and bow windows change the shape of the opening as well as its appearance. The right choice depends on the room, outside clearance, privacy and how you want air to move through the home. Compare the operating style first, then check which sizes, materials and glass options are available in the Andersen product series and market you are considering.

How Andersen window styles differ from product series

A window’s style describes its shape or operation. Its product series determines which construction, finishes, hardware, glass choices and sizes may be available. Andersen’s catalogue varies by series and market, so a style shown in one range may not be offered in another. Confirm the exact model and configuration before designing around it.

Also consider the opening as part of the room, not just as a product to replace. A window beside a kitchen sink may be awkward to reach if it has a sliding sash; an outward-opening sash may conflict with a path or deck. A fixed window may suit a broad view, but it will not provide ventilation. These practical differences matter more than the style name alone.

Andersen window styles

Andersen window types compared

Window type How it works View and ventilation Good fit Main limitation
Casement Hinged at the side and opened outward, usually with a crank. Opens a large portion of the window for airflow; the frame can leave a relatively clear view. Rooms where a wide opening is useful, such as living areas or kitchens. Needs outdoor clearance and may catch wind when open.
Awning Hinged at the top and opens outward. Provides ventilation through the open section; the sash extends above it. Higher wall openings, bathrooms and places where an outward-opening sash suits the layout. Projects outside and can be harder to reach or clean, depending on its position.
Double-hung Two sashes slide vertically; both can be moved in many configurations. Ventilation can be adjusted at the top, bottom or both, depending on the model. Rooms where an inward or outward swing would be inconvenient. The sashes occupy part of the window area, and the usable opening is smaller than the full frame.
Single-hung The lower sash moves vertically while the upper sash stays fixed. Ventilation comes from the movable lower section. Openings where a simple vertical-sliding operation is preferred. Offers fewer ventilation positions than a double-hung window.
Gliding One or more sashes slide horizontally, depending on configuration. Ventilation is available through the section that slides open. Wide openings where an outward swing would obstruct a deck, path or nearby fixture. Only part of the total window area opens at a time.
Picture A fixed, non-opening window. Frames a view and admits daylight but provides no ventilation. Large view areas or combinations with separate operable windows. Cannot be used to ventilate the room.
Specialty A non-standard shape, often fixed; options depend on the model. Can add light or frame an architectural feature; ventilation depends on whether the specific unit opens. Gables, high wall sections and designs that call for a distinctive shape. Shape and dimensions can limit the choice of blinds, screens or replacement options.
Bay or bow A group of windows projects outward from the wall; the arrangement varies. Can widen the view; ventilation depends on which units in the group are operable. Rooms where a projecting window arrangement suits the space and exterior design. Requires more careful space, structural and installation planning than a flat opening.

Casement and awning windows both open outward, but their hinges create different openings and positions. Double-hung and gliding windows avoid an outward swing, although only part of the unit opens. A fixed picture window is the clearest choice when ventilation is unnecessary; if the room needs fresh air, pair it with an operable window rather than expecting the picture unit to open.

kitchen casement window

Choose a style for the room’s everyday use

Kitchens: check reach and nearby obstacles

Think about how the window will be operated while standing at the sink or counter. A casement can be convenient if its handle is within easy reach, but the outward sash needs clearance outside. A gliding window avoids that projection and can suit a wall facing a walkway, although only the sliding section opens. The best fit depends on the counter position, sill height, window dimensions and the exterior space beside it.

If the main goal is a bright view, a fixed picture window can work alongside a smaller operable unit. This arrangement separates the view from the ventilation task, but it also means the operable window’s position and size need to suit the room.

Bathrooms: balance airflow, privacy and access

An awning window can suit a higher opening where its outward movement does not obstruct a path. A casement or gliding style may also work if the position is easy to reach. Consider privacy glazing or another suitable privacy treatment, and confirm that the selected glass options are available for the model. A window’s ventilation does not replace other ventilation provisions where those are required.

Check how the window can be cleaned, especially if it is above a bath or in a hard-to-reach location. The specific unit and its hardware determine what can be opened and accessed; do not assume every Andersen model has the same cleaning features.

Bedrooms: consider ventilation and escape requirements

Double-hung windows let you adjust ventilation through the upper or lower part of the opening, where the selected model allows both sashes to move. Casement windows can provide a broad opening, but the sash swings outside. Either may suit a bedroom, depending on furniture, outside clearance and how the room is used.

If a bedroom window is intended to meet an emergency escape requirement, check the applicable local rules and the actual clear opening of the chosen unit. A style name or overall frame size does not confirm that the installed window will meet a requirement. This is particularly important for replacement projects, where the existing opening may constrain the size.

Living areas: combine a broad view with useful ventilation

A picture window can make a view the focus, while nearby casement, awning, double-hung or gliding units provide airflow. This mix can be more practical than making every section operable, especially when the opening is wide. The trade-off is that the fixed section cannot be used for ventilation, so plan the operable units where they can be reached and where air can move into the room.

Bay and bow arrangements offer a projecting shape and a wider viewing angle from inside. They can make sense where the room has space for the projection and the exterior design can accommodate it. Because the assembly extends beyond the wall, check structural support, weatherproofing and installation details with the project professional before selecting a configuration.

living room bay window

High or awkward openings: plan operation before appearance

Specialty shapes and high windows can bring daylight into a space where a standard rectangle is not the right fit. Many specialty units are fixed, so confirm operability rather than inferring it from the shape. If you want ventilation, a separate operable unit may be needed, and its position should make operation and maintenance realistic.

What to check before choosing an Andersen window

Style is only one part of performance and project cost. Frame construction, glass, seals, size and installation all affect how the finished window performs. Andersen options vary by product series, and local availability can differ. Compare the full specification rather than choosing from a style photograph.

  • Operation: Decide whether you need a wide opening, adjustable ventilation, no outward swing or no opening at all.
  • Clearance: Check for decks, paths, shrubs, screens, furniture and other obstacles around the sash, inside and outside.
  • Access: Consider who will operate and clean the window. A hard-to-reach opener may be rarely used.
  • Glass and comfort: Compare the glass options offered for the exact model and consider the opening’s orientation and local climate. Do not assume all styles have identical glass choices or performance.
  • Opening dimensions: Have the existing opening measured and assessed. A replacement unit’s nominal size does not, by itself, establish the clear area after installation.
  • Installation scope: Ask what the quote includes, such as removal, disposal, weatherproofing, interior and exterior finishing, and any work needed to the opening.
  • Local suitability: For a New Zealand project, confirm that the selected product can be supplied locally and that its documentation and installation meet applicable requirements.

When comparing quotes, specify the same operation, dimensions, glass, finish and installation scope for each option. Otherwise, a lower figure may reflect a different product or less work rather than a comparable window. If a particular style is unavailable in the required series or market, ask whether another configuration can meet the same room needs.

A practical way to select a style for each opening

  1. Write down the opening’s job. Note whether the priority is view, daylight, ventilation, privacy, access or a combination.
  2. Choose how the window should operate. For example, consider casement or awning where an outward swing is acceptable; compare double-hung or gliding where it is not.
  3. Check the room and exterior. Look at sill height, furniture, counters, pathways, decks and the space needed to operate the sash.
  4. Confirm product details. Ask which Andersen series and configuration are available, and compare the glass, finish, hardware, size and operating features.
  5. Review the opening and installation plan. Have measurements and site conditions checked before ordering. Clarify what work is included and who is responsible for any building or compliance checks.

This process helps prevent a common mismatch: choosing a style because it looks right in a catalogue, then finding that its sash blocks a path or that it does not provide the ventilation the room needs.

Andersen windows

Frequently Asked Questions

Which Andersen window type provides the most ventilation?

It depends on the window’s size, position and opening configuration. A casement can open across a large portion of its frame, while a double-hung window can offer ventilation at the top or bottom when both sashes move. Compare the actual opening area of the models you can buy rather than relying on the style name alone.

Are Andersen picture windows operable?

A picture window is fixed and does not open. If you want a broad view and ventilation, consider pairing it with an operable unit or choosing a configuration that includes both fixed and opening sections.

Is a casement window better than a double-hung window?

Neither is universally better. A casement may suit a room where a wide opening is useful and there is outdoor clearance; a double-hung style avoids an outward swing and allows ventilation through movable sashes. Choose according to the room layout, access and required opening.

Can different Andersen window styles be used in one room?

Yes, a room can combine fixed and operable windows if the selected configurations are available and work together in the design. For example, a fixed unit can frame a view while a separate opening provides ventilation. Confirm dimensions, finishes and installation requirements for the complete arrangement.

Are Andersen window types available in every product series?

No single style should be assumed to be available in every Andersen series or market. Ask for the exact product name and configuration, including its operation and options, before finalising plans or requesting a comparable quote.

Start with the job each opening needs to do, then compare Andersen window types for ventilation, view, clearance and access. Confirm the product series, glass and installation details before ordering; that is the best way to choose a style that works in daily use rather than only on the plan.